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Add OMEMO message encryption and decryption

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This commit is contained in:
Paul Fariello
2019-02-26 20:33:06 +01:40
parent b1ae220aa4
commit 0fb27dc496
18 changed files with 681 additions and 35 deletions
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14
src/omemo/crypto.h
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@@ -1,6 +1,8 @@
#include <signal/signal_protocol_types.h>
#define SG_CIPHER_AES_GCM_NOPADDING 1000
#define AES128_GCM_KEY_LENGTH 16
#define AES128_GCM_IV_LENGTH 16
#define AES128_GCM_TAG_LENGTH 16
int omemo_crypto_init(void);
/**
@@ -134,3 +136,13 @@ int omemo_decrypt_func(signal_buffer **output,
const uint8_t *iv, size_t iv_len,
const uint8_t *ciphertext, size_t ciphertext_len,
void *user_data);
int aes128gcm_encrypt(unsigned char *ciphertext,
size_t *ciphertext_len, const unsigned char *const cleartext,
size_t cleatext_len, const unsigned char *const iv,
const unsigned char *const key);
int aes128gcm_decrypt(unsigned char *plaintext,
size_t *plaintext_len, const unsigned char *const ciphertext,
size_t ciphertext_len, const unsigned char *const iv,
const unsigned char *const key);